Put-Call Ratio (Volume) (90-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

iShares S&P 100 ETF (OEF) had 90-Day Put-Call Ratio (Volume) of 0.2800 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1173
Historical Volatility (Parkinson)	0.1059
Implied Volatility (Calls)	0.1541
Implied Volatility (Puts)	0.1563
Implied Volatility (Mean)	0.1552
Put-Call Implied Volatility Ratio	1.0143
Implied Volatility Skew	0.0437
Option Statistics
Put-Call Ratio (Volume)	0.2800
Put-Call Ratio (Open Interest)	0.7668